Check this out then, https://www.ovr.ai, uses the hexagon co-ordinate system to cover the surface of a sphere. My co-founder told me recently that this hexagon system has been in development in the academic world for about a decade.

In our spare time, our team had been discussing on an ideal way to lay some form of "grid" over Earth so we can co-ordinate Climate actions & results between providers and buyers. We wanted a system that has been done before and we can build on top of it.